40547-07-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40547-07-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,5,4 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 40547-07:
(7*4)+(6*0)+(5*5)+(4*4)+(3*7)+(2*0)+(1*7)=97
97 % 10 = 7
So 40547-07-7 is a valid CAS Registry Number.